We have seen in Part one of LinkedIn API tutorial how to connect to LinkedIn API via OAuth protocol and how to retreive users profile.
In Part 2 we will enrich our PHP LinkedIn Class with:

An Update Status Capability
A Clear Status Capability
A Read Status Capability

Here is the Screencast followed by a written tutorial:

You want to access linkedIn API using OAuth Protocol handshake?
Here is a Screencast and a written tutorial showing you how to access linkedIn API in PHP using Zend_Oauth Zend module.